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2150EX Area Velocity Flow Module
Section 1 Introduction
1-4
Rollover Memory Whether the measurements are stored at the primary or sec-
ondary rate, they are stored in a rollover type of memory. When
full, the module overwrites the oldest data with the newest
readings.
1.2 Identifying Module
Components
The various components of the 2150EX are shown in Figures 1-1
through 1-4. Items referenced in the figures are described in
Tables 1-1 through 1-4.
Figure 1-1 2150EX - Top and Bottom Views
Top View
Bottom View
1
2
3
4
5
6
7
Table 1-1 2150EX Area Velocity Flow Module - Top and Bottom Views
Item No. Fig. 2-1 Name Description
1 Latch Latches the module in place. A latch release is located on the
right side of the module.
2 Communication Connector
(shown uncapped)
Upper communication port; used to connect to another mod-
ule, or to a PC running Flowlink software.
3 Connector Cap
(shown in holder)
Insert into unused communication connector to terminate the
network and protect it from moisture damage. When the com-
munication connector is in use, the cap must be stowed in its
holder to protect the terminating components inside the cap.
4 Desiccant Cartridge and
Hydrophobic Filter
The cartridge holds desiccant that dries the reference air. The
filter prevents moisture from entering the reference line.
5 Communication Indicator Illuminates when module communications are active.
6 Communication Connector
(shown capped)
Used to connect the module to the 2191EX or 2196EX battery
module, or to another 2150EX module. When the communica-
tion connector is in use, the cap must be stowed in its holder to
protect the terminating components inside the cap.
7 Cap Holder Used to store the Connector Cap.